*{
    padding: 0;
    margin: 0;
    user-select: none;
}

a{
    text-decoration: none;
    color: black;
}

li{
    list-style: none;
}
.iot_footer_tab{
    z-index: 999;
    position: fixed;
    bottom: 0;
    width: 100%;
    height: 10%;
    background-color: #fff;
    /* background-color: #27ba9b; */
    /* background-color: #EEEEEE; */
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
}
.iot_footer_tab_item{
    display: flex;
    flex-direction: column;
    justify-content: start;
    align-items: center;
}
.iot_footer_tab_icon{
    width: 90%;
    height: 60%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.iot_footer_tab_icon>img{
    width: 80%;
    height: 75%;
}
.iot_footer_tab_title{
    font-weight: bold;
    font-size: larger;
    text-align: center;
    width: 100%;
    height: 30%;
}